Mealey's (February 7, 2020, 1:46 PM EST) -- WASHINGTON, D.C. — Allegations that AT&T Services Inc. and its manufacturer and supplier of components for the AT&T fiberoptic system infringed an optical communication network patent were properly dismissed by a federal judge in Texas, the Federal Circuit U.S. Court of Appeals ruled Feb. 6 (Cheetah Omni LLC v. AT&T Services Inc., et al., No. 19-1264, Fed. Cir., 2020 U.S. App. LEXIS 3550)....